The setup
in theexhibitionspaceconsistedofsevenlow-frequencyloudspeakers, eachattachedtooneofthewindowsoftheoctagonalroom. Withthismethodthevibrationsofthecity
(a mixtureoftectonicandartificialvibration) weretransmitteddirectlytothewindowpanes. Due tothetactilequalitiesofthelowaudiofrequencies,
an acousticandphysicalexperiencearose: thesuperimposedoscillations in spaceestablished a constantlychangingephemeralbody. The sevenplaceswheretheseismographswerelocatedbecameactivemusicians, collectivelytransformingthe Schinkel
Pavillon into a musicalinstrumentplayedbythecityitself.